| Kultur Raum im Rosenhof | Kultur Raum im Rosenhof | Germany, Kleines Wiesental, Schwand 8 | 2006-06-27 | -- | 2006 | 1 | |
| Kulturfabrikken Sortland | Kulturfabrikken Sortland | Norway, Sortland, Strandgata 1 | 2018-04-14 | -- | 2018 | 1 | |
| Kirchgemeindehaus | Kirchgemeindehaus | Switzerland, Balgach, Breitestrasse 6 | 2010-01-02 | -- | 2010 | 1 | |
| Kyrkholmen | Kyrkholmen, Skellefteå | Sweden, Kyrkholmen, Skellefteå, Kyrkholmen | 1997-06-18 | 1997-07-13 | 1997 | 1 | |
| Kiruna | Kiruna | Sweden, Kiruna | 1991-04-16 | 1991-04-16 | 1991 | 1 | |
| Knickerbocker Theatre | Knickerbocker Theatre | United States of America, New York, 1396 Broadway (West 38th Street) | 1905-03-07 | 1905-03- | 1905 | 1 | |
| Kinnaird College | Kinnaird College | Pakistan, Lahore, Near Canal bank، Jail Road، G.O.R. - I | 2018-05-10 | 2018-05-13 | 2018 | 1 | |
| Konferenscenter Safiren (Cosmos) | Konferenscenter Safiren (Cosmos) | Sweden, Katrineholm, Drottninggatan 19 | 2010-10-04 | -- | 2010 | 1 | |
| Kirkebygden Skole | Kirkebygden Skole | Norway, Enebakk, Enebakk | 2005-11-02 | -- | 2005 | 1 | |
| Karaganda Regional Academic Kazakh Drama Theater | Karaganda, in the S. Seifullin Karaganda Regional Academic Kazakh Drama Theater | Kazakhstan, Karaganda | 2023-12-20 | 2023-12-20 | 2023 | 1 | |
| Kinoen | Kinoen | Norway, Harstad | 1959-02-26 | 1959-02-27 | 1959 | 1 | |
| Kongreßhaus Villach | Kongreßhaus Villach | Austria, Villach, Europaplatz 1 | 2001-04-02 | -- | 2001 | 1 | |
| Katariinan kamari | Katariinan kamari | Finland, Kokkola | 2006-01-14 | 2006-05-27 | 2006 | 1 | |
| Kurhaus Freudenstadt | Kurhaus Freudenstadt | Germany, Freudenstadt, Lauterbadstrasse 5 | 2017-01-25 | -- | 2017 | 1 | |
| Katedralskolan | Katedralskolan | Sweden, Lund, Stora Södergatan 22 | 2006-10-20 | 2006-10-21 | 2006 | 1 | |
| Kolpinghaus | Kolpinghaus | Germany, Paderborn | 1980-02-28 | -- | 1980 | 1 | |
| Kultur im Beaulieu | Kultur im Beaulieu | Switzerland, Murten, Prehlstrasse 13 | 2009-01-17 | 2009-02-07 | 2009 | 1 | |
| Kulturhuset ASK | Kulturhuset ASK | Norway, Gjerdrum, Ask | 2001-11-02 | -- | 2001 | 1 | |
| Kikinda | Kikinda | Serbia, Kikinda | 1906-10-28 | -- | 1906 | 1 | |
| Kongerød ungdomsskole | Kongerød ungdomsskole | Norway, Skien, Skien | 2006-09-27 | -- | 2006 | 1 | |
| Kellertheater Hamburg | Kellertheater Hamburg | Germany, Hamburg, Johannes-Brahms-Platz 1 | 2018-10-19 | -- | 2018 | 1 | |
| Kent State University Theatre | Kent State University Theatre | United States of America, Kent, B141 Music and Speech Building | 1968-04-06 | -- | 1968 | 1 | |
| Kamara Színház | Kamara Színház | Hungary, Szombathely | 1924-07-10 | -- | 1924 | 1 | |
| KXT on Broadway | KXT on Broadway | Australia, Sydney, 181 Broadway, Ultimo NSW | 2024-10-18 | 2024-11-02 | 2024 | 1 | |
| Kinoteatret | Kinoteatret | Norway, Lillestrøm | 1952-02-12 | -- | 1952 | 1 | |
| Kulturzentrum | Kulturzentrum | Germany, Weißenburg, Luitpoldstraße 9 | 2004-03-20 | -- | 2004 | 1 | |
| Komödienhaus | Komödienhaus | Germany, Hamburg | 1920-09-23 | -- | 1920 | 1 | |
| Kansas City | Kansas City | United States of America, Kansas City | 1995-- | -- | 1995 | 1 | |
| Kino Helsinki | Kino Helsinki | Finland, Helsinki | 2000-03-29 | 2000-04-13 | 2000 | 1 | |
| Krajské krušnohorské divadlo Teplice | Krajské krušnohorské divadlo Teplice | Czech Republic, Teplice | 1958-02-23 | -- | 1958 | 1 | |
| Kurtheater Bad Elster | Kurtheater Bad Elster | Germany, Bad Elster | 1896-06-16 | -- | 1896 | 1 | |
| Kammerspiele in der Böttcherstraße | Kammerspiele in der Böttcherstraße | Germany, Bremen, Böttcherstraße | 1982-01-20 | -- | 1982 | 1 | |
| Keylor Grand | Keylor Grand | United States of America, Walla Walla | 1905-11-27 | 1905-11-27 | 1905 | 1 | |
| Kvæfjord videregående skole | Kvæfjord videregående skole | Norway, Borkenes, Kvæfjord | 1997-11-21 | -- | 1997 | 1 | |
| Kangjiantang Juyuan | Kangjiantang Juyuan (Kangjiantang Theatre) | China, Yuzhong, Chongqing, 181 Zhongshan 1st Road | 1948-02-08 | -- | 1948 | 1 | |
| Kvartersteatern | Kvartersteatern | Sweden, Norrköping, Tunnbindaregatan 37 | 2020-03-06 | -- | 2020 | 1 | |
| Kellertheater Nadelberg 6 | Kellertheater Nadelberg 6 | Switzerland, Basel, Nadelberg 6 | 2012-05-11 | 2012-06-03 | 2012 | 1 | |
| Königliches Wilhelma-Theater | Königliches Wilhelma-Theater | Germany, Stuttgart | 1901-10-06 | 1901-10-08 | 1901–1907 | 2 | |
| Karlshamns Teater | Karlshamns Teater | Sweden, Karlshamn | 1880-06-21 | -- | 1880–1905 | 2 | |
| Königliches Schauspielhaus Potsdam | Königliches Schauspielhaus Potsdam | Germany, Potsdam | 1900-04-10 | 1900-04-19 | 1900 | 2 | |
| Komárno | Komárno | Slovak Republic, Komárno | 1926-11-19 | -- | 1926–1938 | 2 | |
| Kristinehamn | Kristinehamn | Sweden, Kristinehamn | 1936-10-07 | -- | 1936–1993 | 2 | |
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